Home / 219,014.16-302,239.98-118,412.16

Finding the Fourth Proportional to 219,014.16, 302,239.98 and 118,412.16

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Solution

The fourth proportional to 219,014.16, 302,239.98 and 118,412.16 is: 163,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,014.16 : 302,239.98 = 118,412.16 : x
  2. Step 2: Convert to fraction form
    219,014.16/302,239.98 = 118,412.16/x
  3. Step 3: Cross multiply
    219,014.16x = 302,239.98 × 118,412.16
  4. Step 4: Simplify right side
    219,014.16x = 35,788,888,870.16
  5. Step 5: Solve for x
    x = 35,788,888,870.16/219,014.16
  6. Step 6: Final answer
    x = 163,409.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.